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All results from a given calculation for C4H6O (Furan, 2,3-dihydro-)

using model chemistry: PBEPBE/6-311G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C1 1A
Energy calculated at PBEPBE/6-311G*
 hartrees
Energy at 0K-230.984354
Energy at 298.15K-230.991439
Nuclear repulsion energy173.461097
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at PBEPBE/6-311G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A 3181 3148 9.85      
2 A 3152 3119 4.88      
3 A 3050 3018 37.01      
4 A 2999 2968 39.61      
5 A 2965 2934 49.64      
6 A 2935 2904 51.72      
7 A 1632 1615 54.14      
8 A 1479 1463 1.29      
9 A 1458 1443 0.49      
10 A 1366 1352 2.30      
11 A 1288 1275 1.91      
12 A 1265 1252 6.70      
13 A 1213 1200 11.99      
14 A 1181 1169 9.98      
15 A 1130 1119 57.68      
16 A 1062 1051 33.28      
17 A 1040 1029 12.26      
18 A 987 976 4.64      
19 A 922 912 17.62      
20 A 910 900 33.96      
21 A 857 848 6.50      
22 A 826 817 3.37      
23 A 817 809 6.80      
24 A 677 670 36.96      
25 A 661 654 4.98      
26 A 444 440 23.84      
27 A 124 122 1.07      

Unscaled Zero Point Vibrational Energy (zpe) 19809.2 cm-1
Scaled (by 0.9896) Zero Point Vibrational Energy (zpe) 19603.2 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at PBEPBE/6-311G*
ABC
0.26938 0.25681 0.13931

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311G*

Point Group is C1

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
H1 0.799 2.192 0.102
C2 0.439 1.166 0.058
H3 2.286 -0.046 0.020
C4 1.201 0.063 0.010
O5 0.524 -1.124 -0.086
H6 -1.423 1.029 -1.065
H7 -1.672 1.184 0.685
C8 -1.010 0.745 -0.079
H9 -1.459 -1.375 -0.642
H10 -1.172 -1.107 1.108
C11 -0.888 -0.787 0.090

Atom - Atom Distances (Å)
  H1 C2 H3 C4 O5 H6 H7 C8 H9 H10 C11
H11.08822.68752.16783.33262.76652.73162.32384.28583.97193.4235
C21.08822.20901.34092.29612.17932.20231.51543.24732.97672.3614
H32.68752.20901.09052.06864.01134.19783.39104.02843.77723.2605
C42.16781.34091.09051.37042.99593.15702.31543.09312.86452.2572
O53.33262.29612.06861.37043.06393.27832.41812.07462.07411.4628
H62.76652.17934.01132.99593.06391.77441.10652.44053.05682.2178
H72.73162.20234.19783.15703.27831.77441.10212.89002.38272.2032
C82.32381.51543.39102.31542.41811.10651.10212.23802.20481.5459
H94.28583.24734.02843.09312.07462.44052.89002.23801.79271.0983
H103.97192.97673.77722.86452.07413.05682.38272.20481.79271.1035
C113.42352.36143.26052.25721.46282.21782.20321.54591.09831.1035

picture of Furan, 2,3-dihydro- state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H1 C2 C4 126.052 H1 C2 C8 125.590
C2 C4 H3 130.332 C2 C4 O5 115.742
C2 C8 H6 111.496 C2 C8 H7 113.638
C2 C8 C11 100.953 H3 C4 O5 113.919
C4 C2 C8 108.167 C4 O5 C11 105.587
O5 C11 C8 106.940 O5 C11 H9 107.342
O5 C11 H10 107.017 H6 C8 H7 106.911
H6 C8 C11 112.420 H7 C8 C11 111.519
C8 C11 H9 114.587 C8 C11 H10 111.565
H9 C11 H10 109.016
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 H 0.191      
2 C -0.298      
3 H 0.207      
4 C 0.006      
5 O -0.273      
6 H 0.221      
7 H 0.223      
8 C -0.463      
9 H 0.219      
10 H 0.215      
11 C -0.246      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -0.830 0.719 0.104 1.104
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -27.103 1.479 0.051
y 1.479 -31.218 -0.131
z 0.051 -0.131 -31.385
Traceless
 xyz
x 4.199 1.479 0.051
y 1.479 -1.975 -0.131
z 0.051 -0.131 -2.224
Polar
3z2-r2-4.448
x2-y24.115
xy1.479
xz0.051
yz-0.131


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 7.590 -0.161 0.055
y -0.161 7.508 -0.022
z 0.055 -0.022 4.874


<r2> (average value of r2) Å2
<r2> 94.863
(<r2>)1/2 9.740